<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

This is 01_helloworld.html

<div th:text="${name}">姓名</div>
<div th:text="${age}">年龄</div>
<p th:utext="${msg}">消息</p>

</body>
</html>